Lady Gaga and Katy Perry attend the Academy Museum of Motion Pictures: Opening Gala honoring Haile Gerima and Sophia Loren, ...

From one girl boss to another! Carrie Underwood made her debut as Katy Perry‘s replacement on American Idol during the Season ...

Katy Perry and Lady Gaga just reignited the “Roar” vs. “Applause” debate that had lay dormant for more than a decade. The two ...

Katy Perry shared what her fiancé Orlando Bloom said about her upcoming Blue Origin space trip with Gayle King and more.